A handheld, portable device (10) for processing point of sale transactions includes a housing (20), a magnetic card reader (40) for reading credit card information, the reader (40) carried within the housing (20) substantially adjacent to the first end (23) of the housing (20), a numeric keyboard (50)...http://www.google.fr/patents/US5294782?utm_source=gb-gplus-shareBrevet US5294782 - Integrated portable device for point of sale transactions
Integrated portable device for point of sale transactions
